#pragma once

#include "ogl.h"
#include <Kore/Math/Vector.h>

namespace Kore {
	enum LightType { DirectionalLight, PointLight, SpotLight };

	class LightImpl {
	public:
		LightImpl();
		virtual ~LightImpl();

	protected:
		// Submit light parameters to OpenGL (lightID is GL_LIGHT<n> where <n> is in the range [0, 7])
		void submitLightParamsToGL(GLenum lightID) const;

		// Submit light transformation to OpenGL (lightID is GL_LIGHT<n> where <n> is in the range [0, 7]).
		void submitLightTransformToGL(GLenum lightID) const;

		LightType myType;
		vec4 myAmbient;
		vec4 myDiffuse;
		vec4 mySpecular;
		vec4 myPositionOrDirection;
		vec3 mySpotDirection;
		float mySpotExponent;
		float mySpotCutoff;
		float myConstAttn;
		float myLinearAttn;
		float myQuadricAttn;
	};
}
